*{
	padding: 0;
	margin: 0;
}
a{
	text-decoration: none;
	height: 100px;
	line-height: 100px;
	color: #6495ed;
}
.container{
	width: 62.5rem;
	height: 37.5rem;
	background-color: #ffd9e6;
	margin: 0 auto;
	margin-top: 3%;
}
.header{	
	height: 15%;
	background-color: #c9eef6;
}
.subheading{
	height: 15%;
	background-color: #c3e6fc;
}
.left{
	width: 33%;
	height: 60%;
	background-color: #cff0ec;
	float: left;
}
.right{
	width: 33%;
	height: 60%;
	background-color: #cff0ec;
	float: right;
}
.footer{	
	height: 15%;
	background-color: #d2eddd;
	position: relative;/* 相对定位 */
	top: 60%;
}
